And as an aside, those in the room who are among those more comfortable, even if we're not quite filling in blanks today, realize we will very quickly entice you with details that you don't already know.
说句题外话,你们中有一些,看起来聚精会神,实际上开小差的同学,也许我还不能对号入座,但这些人必须意识到,我会一笔带过,一些你们可能不懂的问题。
and I enjoy, like, solving proofs or, like, solving problems, but it's only one part of like, what I do, like as a person.
做证明题或者解决问题对我来说是一种享受,但这只是我生活的一部分而已。
How do I know that that's an absolute pass, though? Well, when we set the exams, we set the tests, I sit with my TA's and we say, all right, let's work out the point scheme on this question.
我怎么知道会是绝对的通过呢,我们制定考试,我们制定测试题,我和助教坐在一起,我们说,好吧,让我们一起来设定这道题的分值。
I left out the noble gases here because they do something a little bit special, and actually, I'm going to give you one last clicker question today to see if you can tell me what you think noble gases do.
我并没有把稀有气体算在里面,因为它们的电子亲和能有点特别,实际上,我将会把这作为今天的,最后一个选择题,来请大家告诉我,你们觉得稀有气体电子亲和能应该是怎样的。
Because if b was odd, then b minus one is even which means on the next step, I can cut the problem in half again.
这意味着我在下一步里解决的问题,规模要小了一半,好,课堂材料的第三题。
So, so far, we've been working pretty hard and we haven't, I guess, learned a lot, we've just kind of solved the thing out.
到目前为止我们的计算真的很繁琐,但是我觉得我们没学到什么东西呢,我们只是解出了一道题罢了
3 So here what I'm doing is 17 divided by 13, but because of this parenthetical, , -- because of that parenthetical -- that has nothing to do with math; -- this is a programming language thing -- that is a casting operation.
所以这里我要做的是用17除以,但因为这样的题外话,因为那样的题外话-,还是没有做完这个数学题;,这是一个编程语言的东西-,那是一个计算操作。
So the problem I want to do-- there are many things you could do but I just picked one, and this is the one with round numbers, so I can do it without a calculator.
我想讲的这道题,类似的题目很多,但我就选了其中一个,这道题涉及的数字都是整数,所以我不需要计算器
You're going to get these personality tests all the time and the personality tests-- You're applying for a business and " one of the tests says "I like to steal from my bosses " Well, I don't think so No That's a little IQ test right there ? So, the question is how do you avoid that problem?
你们以后会做很多这样的性格测试,例如:你求职时做性格测试,其中一题是“我想偷老板的东西“,不,我不会,这相当于一个智商测试,问题在于,你怎么避免那个问题?
Whether that would ever happen, if Pynchon had decided to let us in on the secret, I don't know. Pynchon, instead, chooses to end the novel before that moment, and so we're left with a kind of emptiness.
如果说Pynchon是想要,让这成为一个谜题的话,那我也不知道,究竟出现了,没有取而代之的是Pynchon选择了,在那一幕之前让小说戛然而止,让我们陷入了,一片空白之中。
So I was hoping to see more like 99% on this, but you do still have two more days before the exam.
我本来期待这道题的正确率能达到,99%,的,但毕竟你们距离考试还有两天的时间。
I didn't get it. Somebody else will say, can you do number three on the homework for me?
我不懂,还有人会说,你能为我解答家庭作业的第三题吗?
We're actually going to do one more clicker question to get started with today, and as we do, I'll explain something we're going to be trying today, which is a little bit of a friendly competition in terms of answering the clicker questions correctly.
我们将在开始讲授今天的课程之前,再多做一个选择题,我先来说明一下做这件事的原因,这实际上是一个,回答选择题的小比赛。
And so this is why in problem set 5 last year when I took photographs on campus with a compact flash card, just standard consumer media and I accidentally formatted that compact flash card, I only lost the first few kilobytes, the first few thousand bits on that compact flash card.
这也是去年的套题5中,我们在校园里面用配有,简易闪存卡的标准摄像机拍照片,我不小心格式化了这个简易闪存卡,其实我只是丢失的最开头的几千个字节的数据。
应用推荐